Tenable Ownership | Who Owns Tenable?


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Tenable Ownership Summary


Tenable is owned by 97.57% institutional investors, 2.31% insiders, and 0.12% retail investors. Vanguard group is the largest institutional shareholder, holding 12.84% of TENB shares. Columbia Seligman Tech & Info A is the top mutual fund, with 4.92% of its assets in Tenable shares.

TENB Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockTenable97.57%2.31%0.12%
SectorTechnology Stocks 36.93%14.89%48.18%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group15.43M12.84%$363.01M
Blackrock funding, inc. /de13.50M11.24%$228.31M
Blackrock10.62M9.04%$462.91M
Ameriprise financial8.50M7.08%$143.77M
Rgm capital4.47M3.71%$130.29M
Shapiro capital management4.15M3.45%$70.20M
Arrowstreet capital, limited partnership3.73M3.11%$63.13M
Fmr3.57M2.97%$60.40M
Penserra capital management3.39M2.82%$57.32M
State street3.09M2.57%$52.18M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Washington harbour partners lp98.02K7.16%$3.86M
Rgm capital4.47M5.48%$130.29M
Archon capital management519.00K4.95%$8.78M
Shapiro capital management4.15M4.39%$70.20M
Graphene investments sas148.80K1.69%$2.52M
Clearalpha technologies lp47.28K1.64%$799.69K
Kent lake pr100.00K1.47%$2.92M
Firetrail investments pty234.66K1.36%$3.97M
Monimus capital management, lp234.73K1.10%$3.97M
Bullseye asset management80.68K0.79%$1.36M

Top Buyers

HolderShares% AssetsChange
Arrowstreet capital, limited partnership3.73M0.03%2.38M
Fmr3.57M0.00%2.08M
Ameriprise financial8.50M0.03%1.94M
Norges bank1.89M0.00%1.89M
Jacobs levy equity management1.84M0.13%1.84M

Top Sellers

HolderShares% AssetsChange
William blair investment management---2.43M
Ubs group1.36M0.00%-1.74M
First trust advisors lp2.69M0.03%-1.55M
Arrowmark colorado---1.52M
Fisher asset management---1.23M

New Positions

HolderShares% AssetsChangeValue
Norges bank1.89M0.00%1.89M$44.54M
Jacobs levy equity management1.84M0.13%1.84M$31.16M
Vanguard fiduciary trust823.78K0.00%823.78K$13.93M
Archon capital management519.00K4.95%519.00K$8.78M
J. goldman & co lp384.80K0.19%384.80K$6.51M

Sold Out

HolderChange
Clearstead advisors-1.00
Transamerica financial advisors-3.00
Cornerstone planning group-3.00
Mather group, llc.-6.00
Scarborough advisors-12.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 20263068.13%117,198,9224.37%971.12%19221.52%83-17.00%
Dec 31, 2025120-59.87%48,540,385-56.00%400.48%63-64.41%45-43.75%
Sep 30, 2025138-49.63%53,913,972-47.69%440.61%80-48.39%41-53.93%
Jun 30, 2025283-5.98%111,325,0485.58%921.20%159-5.92%91-4.21%
Mar 31, 202513-95.64%8,497,885-92.15%70.09%7-95.78%4-95.65%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Columbia Seligman Tech & Info A5.42M4.92%658.10K
Columbia Seligman Technology Growth4.76M4.16%935.20K
Vanguard Total Stock Mkt Idx Inv3.81M3.45%12.67K
Amplify Cybersecurity ETF3.38M3.06%-
Vanguard US Total Market Shares ETF3.59M2.98%-226.10K
Vanguard Information Technology ETF3.00M2.72%15.46K
iShares Russell 2000 ETF2.80M2.54%23.55K
Vanguard Small Cap Index2.73M2.48%-4.17K
First Trust NASDAQ Cybersecurity ETF2.35M2.13%-2.33K
MUAM Cyber Security Equity Mother Fund1.95M1.64%-499.18K

Recent Insider Transactions


DateNameRoleActivityValue
May 04, 2026Brown Matthew Charles Chief Financial OfficerBuy$258.48K
Feb 12, 2026Vicks Raymond Jr.-Buy$99.77K
Feb 09, 2026COVIELLO ARTHUR W JR-Buy$258.00K
Dec 15, 2025SEAWELL A BROOKE-Sell$2.85M
Oct 17, 2025Anschutz Barron Principal Accounting OfficerSell$28.40K

Insider Transactions Trends


DateBuySell
2026 Q21-
2026 Q12-
2025 Q4-2
2025 Q3-9
2025 Q2-6

TENB Ownership FAQ


Who owns the most shares of Tenable?

Tenable’s largest shareholders are Vanguard group (15.43M shares, 12.84%), Blackrock funding, inc. /de (13.5M shares, 11.24%), and Blackrock (10.62M shares, 9.04%). Together, they hold 33.12% of Tenable’s total shares outstanding.

Does Blackrock own Tenable?

Yes, BlackRock owns 9.04% of Tenable, totaling 10.62M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 462.91M$. In the last quarter, BlackRock increased its holdings by 230.17K shares, a 2.21% change.

Who is Tenable’s biggest shareholder by percentage of total assets invested?

Washington harbour partners lp is Tenable’s biggest shareholder by percentage of total assets invested, with 7.16% of its assets in 98.02K Tenable shares, valued at 3.86M$.

Who is the top mutual fund holder of Tenable shares?

Columbia Seligman Tech & Info A is the top mutual fund holder of Tenable shares, with 4.92% of its total shares outstanding invested in 5.42M Tenable shares.

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